H4ck3r_sh4d0w's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 197（Sponsored by Panasonic） | 4221 | 532 | 28 | - | ||
| AtCoder Beginner Contest 206（Sponsored by Panasonic） | 2635 | 957 | 158 | +130 | ||
| AtCoder Beginner Contest 275 | 2809 | 780 | 263 | +105 | ||
| AtCoder Beginner Contest 278 | 7039 | 49 | 193 | -70 |